| Castle Rock to Fenton | 4,570.26 mi (7,355.13 km) |
| Castle Rock to Fern Down | 4,665.82 mi (7,508.91 km) |
| Castle Rock to Ferryhill | 4,524.75 mi (7,281.88 km) |
| Castle Rock to Finchley | 4,694.08 mi (7,554.39 km) |
| Castle Rock to Fleet | 4,683.98 mi (7,538.14 km) |
| Castle Rock to Fleetwood | 4,505.41 mi (7,250.76 km) |
| Castle Rock to Flint | 4,526.98 mi (7,285.47 km) |
| Castle Rock to Flitwick | 4,666.93 mi (7,510.70 km) |
| Castle Rock to Flixton | 4,544.80 mi (7,314.15 km) |
| Castle Rock to Folkestone | 4,762.29 mi (7,664.16 km) |
| Castle Rock to Forfar | 4,406.89 mi (7,092.20 km) |
| Castle Rock to Formby | 4,517.45 mi (7,270.14 km) |
| Castle Rock to Forres | 4,348.27 mi (6,997.86 km) |
| Castle Rock to Fort William | 4,329.06 mi (6,966.95 km) |
| Castle Rock to Fraserburgh | 4,395.67 mi (7,074.15 km) |
